"Beverly Hills, 90210" star Shannen Doherty had, in recent years, become an outspoken voice for cancer awareness and treatment, speaking openly about her diagnosis and plans for after her death.

Related: Shannen Doherty Seeks Spousal Support ... I'm gonna be on the chemo for," she said of the treatment required for her stage 4 breast cancer, which she revealed to PEOPLE last year had ...

the Charmed actor reveals she has stage 4 cancer – but she still has some living to do. Shannen Doherty has revealed that her cancer has returned. The actor, who was diagnosed with breast cancer ...

Jason Priestley revealed that Shannen Doherty's death came as a surprise to him, in spite of the actress' years long battle with cancer. 'Shannen was sick for a very long time, so I think we all ...

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Shannen Doherty's Powerful Revelations About Her Cancer Journey The Heathers Cast: Where Are They Now? Little House on the Prairie Cast: Where Are They Now? The Beverly Hills, 90210 Cast ...

Shannen Doherty, a star of 1990s TV hits "Beverly Hills 90210" and "Charmed," died Saturday of cancer, her publicist said Sunday. She was 53. Doherty was first diagnosed with breast cancer in 2015.